Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Input / ProcessInputEventArgs.cs / 1 / ProcessInputEventArgs.cs
using System; using System.Security.Permissions; using System.Security; using MS.Internal; using MS.Internal.PresentationCore; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Input { ////// Provides access to the input manager's staging area. /// ////// An instance of this class, or a derived class, is passed to the /// handlers of the following events: /// public class ProcessInputEventArgs : NotifyInputEventArgs { // Only we can make these. Note that we cache and resuse instances. internal ProcessInputEventArgs() {} //////
///- ///
////// - ///
////// /// Critical - calls a critical method base.Reset /// [SecurityCritical] internal override void Reset(StagingAreaInputItem input, InputManager inputManager) { _allowAccessToStagingArea = true; base.Reset(input, inputManager); } ////// Pushes an input event onto the top of the staging area. /// /// /// The input event to place on the staging area. This may not /// be null, and may not already exist in the staging area. /// /// /// An existing staging area item to promote the state from. /// ////// The staging area input item that wraps the specified input. /// ////// Callers must have UIPermission(PermissionState.Unrestricted) to call this API. /// ////// Critical - calls a critical method ( PushInput) /// PublicOK - there is a link demand for public callers. /// [SecurityCritical ] [UIPermissionAttribute(SecurityAction.LinkDemand,Unrestricted=true)] public StagingAreaInputItem PushInput(InputEventArgs input, StagingAreaInputItem promote) // Note: this should be a bool, and always use the InputItem available on these args. { if(!_allowAccessToStagingArea) { throw new InvalidOperationException(SR.Get(SRID.NotAllowedToAccessStagingArea)); } return this.UnsecureInputManager.PushInput(input, promote); } ////// Pushes an input event onto the top of the staging area. /// /// /// The input event to place on the staging area. This may not /// be null, and may not already exist in the staging area. /// ////// The specified staging area input item. /// ////// Callers must have UIPermission(PermissionState.Unrestricted) to call this API. /// ////// Critical - calls a critical method ( PushInput) /// PublicOK - there is a link demand for public callers. /// [SecurityCritical] [UIPermissionAttribute(SecurityAction.LinkDemand,Unrestricted=true)] public StagingAreaInputItem PushInput(StagingAreaInputItem input) { if(!_allowAccessToStagingArea) { throw new InvalidOperationException(SR.Get(SRID.NotAllowedToAccessStagingArea)); } return this.UnsecureInputManager.PushInput(input); } ////// Pops off the input event on the top of the staging area. /// ////// The input event that was on the top of the staging area. /// This can be null, if the staging area was empty. /// ////// Callers must have UIPermission(PermissionState.Unrestricted) to call this API. /// ////// Critical - calls a critical function ( InputManager.PopInput) /// PublicOK - there is a demand. /// [SecurityCritical] public StagingAreaInputItem PopInput() { SecurityHelper.DemandUnrestrictedUIPermission(); if(!_allowAccessToStagingArea) { throw new InvalidOperationException(SR.Get(SRID.NotAllowedToAccessStagingArea)); } return this.UnsecureInputManager.PopInput(); } ////// Returns the input event on the top of the staging area. /// ////// The input event that is on the top of the staging area. /// This can be null, if the staging area is empty. /// ////// Callers must have UIPermission(PermissionState.Unrestricted) to call this API. /// ////// Critical - accesses UnsecureInputManager /// PublicOK - there is a demand. /// [SecurityCritical] public StagingAreaInputItem PeekInput() { SecurityHelper.DemandUnrestrictedUIPermission(); if(!_allowAccessToStagingArea) { throw new InvalidOperationException(SR.Get(SRID.NotAllowedToAccessStagingArea)); } return this.UnsecureInputManager.PeekInput(); } private bool _allowAccessToStagingArea; } ////// Delegate type for handles of events that use /// public delegate void ProcessInputEventHandler(object sender, ProcessInputEventArgs e); } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Security.Permissions; using System.Security; using MS.Internal; using MS.Internal.PresentationCore; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Input { ///. /// /// Provides access to the input manager's staging area. /// ////// An instance of this class, or a derived class, is passed to the /// handlers of the following events: /// public class ProcessInputEventArgs : NotifyInputEventArgs { // Only we can make these. Note that we cache and resuse instances. internal ProcessInputEventArgs() {} //////
///- ///
////// - ///
////// /// Critical - calls a critical method base.Reset /// [SecurityCritical] internal override void Reset(StagingAreaInputItem input, InputManager inputManager) { _allowAccessToStagingArea = true; base.Reset(input, inputManager); } ////// Pushes an input event onto the top of the staging area. /// /// /// The input event to place on the staging area. This may not /// be null, and may not already exist in the staging area. /// /// /// An existing staging area item to promote the state from. /// ////// The staging area input item that wraps the specified input. /// ////// Callers must have UIPermission(PermissionState.Unrestricted) to call this API. /// ////// Critical - calls a critical method ( PushInput) /// PublicOK - there is a link demand for public callers. /// [SecurityCritical ] [UIPermissionAttribute(SecurityAction.LinkDemand,Unrestricted=true)] public StagingAreaInputItem PushInput(InputEventArgs input, StagingAreaInputItem promote) // Note: this should be a bool, and always use the InputItem available on these args. { if(!_allowAccessToStagingArea) { throw new InvalidOperationException(SR.Get(SRID.NotAllowedToAccessStagingArea)); } return this.UnsecureInputManager.PushInput(input, promote); } ////// Pushes an input event onto the top of the staging area. /// /// /// The input event to place on the staging area. This may not /// be null, and may not already exist in the staging area. /// ////// The specified staging area input item. /// ////// Callers must have UIPermission(PermissionState.Unrestricted) to call this API. /// ////// Critical - calls a critical method ( PushInput) /// PublicOK - there is a link demand for public callers. /// [SecurityCritical] [UIPermissionAttribute(SecurityAction.LinkDemand,Unrestricted=true)] public StagingAreaInputItem PushInput(StagingAreaInputItem input) { if(!_allowAccessToStagingArea) { throw new InvalidOperationException(SR.Get(SRID.NotAllowedToAccessStagingArea)); } return this.UnsecureInputManager.PushInput(input); } ////// Pops off the input event on the top of the staging area. /// ////// The input event that was on the top of the staging area. /// This can be null, if the staging area was empty. /// ////// Callers must have UIPermission(PermissionState.Unrestricted) to call this API. /// ////// Critical - calls a critical function ( InputManager.PopInput) /// PublicOK - there is a demand. /// [SecurityCritical] public StagingAreaInputItem PopInput() { SecurityHelper.DemandUnrestrictedUIPermission(); if(!_allowAccessToStagingArea) { throw new InvalidOperationException(SR.Get(SRID.NotAllowedToAccessStagingArea)); } return this.UnsecureInputManager.PopInput(); } ////// Returns the input event on the top of the staging area. /// ////// The input event that is on the top of the staging area. /// This can be null, if the staging area is empty. /// ////// Callers must have UIPermission(PermissionState.Unrestricted) to call this API. /// ////// Critical - accesses UnsecureInputManager /// PublicOK - there is a demand. /// [SecurityCritical] public StagingAreaInputItem PeekInput() { SecurityHelper.DemandUnrestrictedUIPermission(); if(!_allowAccessToStagingArea) { throw new InvalidOperationException(SR.Get(SRID.NotAllowedToAccessStagingArea)); } return this.UnsecureInputManager.PeekInput(); } private bool _allowAccessToStagingArea; } ////// Delegate type for handles of events that use /// public delegate void ProcessInputEventHandler(object sender, ProcessInputEventArgs e); } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- _HelperAsyncResults.cs
- OperatorExpressions.cs
- MethodExpr.cs
- TaskHelper.cs
- FormViewUpdateEventArgs.cs
- MetadataSource.cs
- PackageRelationshipCollection.cs
- UpdateManifestForBrowserApplication.cs
- CaseInsensitiveHashCodeProvider.cs
- SecurityDocument.cs
- BigInt.cs
- RangeEnumerable.cs
- KeyPressEvent.cs
- ping.cs
- NameNode.cs
- DiagnosticsConfigurationHandler.cs
- EmptyQuery.cs
- StatusBarItemAutomationPeer.cs
- CatalogZoneBase.cs
- SqlInternalConnectionSmi.cs
- DecoderExceptionFallback.cs
- HtmlWindow.cs
- DataListDesigner.cs
- VisualStyleElement.cs
- BamlLocalizer.cs
- InputMethod.cs
- SystemMulticastIPAddressInformation.cs
- MyContact.cs
- updatecommandorderer.cs
- Simplifier.cs
- SmtpFailedRecipientException.cs
- FormViewInsertEventArgs.cs
- PathSegmentCollection.cs
- KoreanLunisolarCalendar.cs
- IDispatchConstantAttribute.cs
- KeyPressEvent.cs
- PTUtility.cs
- TcpClientChannel.cs
- KernelTypeValidation.cs
- QilXmlWriter.cs
- PointCollection.cs
- DataGridCellClipboardEventArgs.cs
- SuppressMessageAttribute.cs
- MinimizableAttributeTypeConverter.cs
- IndexingContentUnit.cs
- ColorBlend.cs
- UnconditionalPolicy.cs
- MinimizableAttributeTypeConverter.cs
- TemplateColumn.cs
- HostedTransportConfigurationBase.cs
- MessageQueuePermission.cs
- ResourceReferenceKeyNotFoundException.cs
- StringComparer.cs
- WorkflowFileItem.cs
- TerminatorSinks.cs
- ThreadStartException.cs
- SoundPlayerAction.cs
- PointLightBase.cs
- ProvidersHelper.cs
- AppDomainAttributes.cs
- LinkArea.cs
- CodeIndexerExpression.cs
- HttpTransportSecurityElement.cs
- SystemIcmpV6Statistics.cs
- EdmToObjectNamespaceMap.cs
- objectresult_tresulttype.cs
- AnimationStorage.cs
- TextRunCache.cs
- ArgumentOutOfRangeException.cs
- ExpressionEditorAttribute.cs
- ViewStateException.cs
- ImageCodecInfoPrivate.cs
- HttpWebRequestElement.cs
- brushes.cs
- AudioFormatConverter.cs
- GACMembershipCondition.cs
- Geometry3D.cs
- ComAwareEventInfo.cs
- Marshal.cs
- PowerModeChangedEventArgs.cs
- GlyphingCache.cs
- RelOps.cs
- NameTable.cs
- DataColumnMapping.cs
- ToolStripPanelRenderEventArgs.cs
- OperationAbortedException.cs
- ScriptMethodAttribute.cs
- ExternalFile.cs
- PropertyInfoSet.cs
- PtsPage.cs
- MimeAnyImporter.cs
- XPathArrayIterator.cs
- CapabilitiesRule.cs
- AllMembershipCondition.cs
- SourceChangedEventArgs.cs
- CheckBoxField.cs
- RawStylusActions.cs
- TextRenderer.cs
- MenuItem.cs
- AQNBuilder.cs